2013 Audi S6 vs 2013 Kia Optima
Complaints, recalls, TSBs, investigations and safety ratings side by side, from official federal data. Last verified Aug 8, 2026. Raw complaint counts are not adjusted for sales volume.
| Metric | 2013 Audi S6 | 2013 Kia Optima |
|---|---|---|
| NHTSA complaints | 42 | 1,375 |
| Recall campaigns | 3 | 9 |
| Service bulletins (TSBs) | 823 | 235 |
| Investigations | 2 | 8 |
| Crash reports | 1 | 48 |
| Fire reports | 0 | 112 |
| NCAP overall rating | — | 5/5 |
| EPA MPG (combined) | 20 | 26–37 |
| Median reported incident mileage | 60,000 mi | 87,000 mi |
Reported problems side by side
| Component | Audi S6 | Kia Optima |
|---|---|---|
| Engine | 33 | 610 |
| Steering | 1 | 212 |
| Electrical System | 3 | 145 |
| Structure | 0 | 127 |
| Fuel/propulsion System | 3 | 91 |
| Power Train | 8 | 64 |
| Air Bags | 2 | 60 |
| Service Brakes | 0 | 58 |
Symptoms owners describe
| Loss of power | 10 | 53 |
| Stalling | 9 | 168 |
| Check engine light | 0 | 108 |
| Clunking / rattling | 0 | 87 |
| Vibration / shaking | 0 | 54 |
| Rust / corrosion | 0 | 32 |
| Oil consumption | 0 | 25 |
| Hesitation / surging | 0 | 24 |
2013 Audi S6
2013 Kia Optima
Compare all Audi S6 vs Kia Optima years →
Method. Complaints are unique NHTSA reports. A vehicle that sold more units will naturally accumulate more complaints — use shares and read the underlying reports before drawing conclusions.